// 题意: // 输入两个整数N, H,按照字典序输出所有长度为N,恰好包含H个1的01串 // 规模:1<=H<=N<=16 // 算法A:2^N枚举,输出1的个数为H的.采用递归枚举 // 从bits[d]开始确定,已经用了c0个0和c1个1 算法A:递归枚举 // 算法A:2^N枚举,输出1的个数为H的.采用递归枚举 #include <cstdio> #include <cstring> ; int N, H, bits[maxn]; // 从bit…

题意:给出数组的长度n,给出h,表示这个数组里面含有h个1,求其所有的排列 用next_permutation就可以了 #include<iostream> #include<cstdio> #include<cstring> #include <cmath> #include<stack> #include<vector> #include<map> #include<set> #include<que…

The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1…

http://acm.hdu.edu.cn/showproblem.php?pid=4712 Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1610    Accepted Submission(s): 630 Problem Description (From wikipedia) For bina…

Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1845    Accepted Submission(s): 740 Problem Description (From wikipedia) For binary strings a and b the Hamming distance is equa…

Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Problem Description (From wikipedia) For binary strings a and b the Hamming distance is equal to the number of ones in a XOR b. For calculating Hammi…

B. Hamming Distance Sum   Genos needs your help. He was asked to solve the following programming problem by Saitama: The length of some string s is denoted |s|. The Hamming distance between two strings s and t of equal length is defined as , where si…

B. Hamming Distance Sum 题目连接: http://www.codeforces.com/contest/608/problem/A Description Genos needs your help. He was asked to solve the following programming problem by Saitama: The length of some string s is denoted |s|. The Hamming distance betw…

http://acm.hdu.edu.cn/showproblem.php?pid=4712 Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 797    Accepted Submission(s): 284 Problem Description (From wikipedia) For binary…

Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 499    Accepted Submission(s): 163 Problem Description (From wikipedia) For binary strings a and b the Hamming distance is equal…